winsup/cygwin ChangeLog thread.cc thread.h

[cgf@cygwin.com]

CVSROOT:	/cvs/uberbaum
Module name:	winsup
Changes by:	cgf@sourceware.org	2013-01-07 16:01:10

Modified files:
	cygwin         : ChangeLog thread.cc thread.h 

Log message:
	* thread.cc (pthread_rwlock::add_reader): Perform new operation here and return
	pointer to allocated RWLOCK_READER structure.
	(pthread_rwlock::rdlock): Reorganize to reflect new add_reader functionality.
	(pthread_rwlock::tryrdlock): Ditto.  Remove unneeded call to lookup_reader().
	* thread.h (pthread_rwlock::RWLOCK_READER::RWLOCK_READER): New constructor.
	(pthread_rwlock::add_reader): Reflect new functionality.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/ChangeLog.diff?cvsroot=uberbaum&r1=1.6027&r2=1.6028
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/thread.cc.diff?cvsroot=uberbaum&r1=1.276&r2=1.277
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/thread.h.diff?cvsroot=uberbaum&r1=1.133&r2=1.134